At one point Jason Scott (played by Franco Nero) says to the priest, that he liked his citing of the story of Cain and Abel. Franco Nero played Abel in The Bible in the Beginning... (1966).
The screenplay for White Fang (1973) by Roberto Gianviti was based on Jack London's 1906 novel White Fang. The film, starring Franco Nero, Fernando Rey and Virna Lisi, gained great commercial success and generated an official and several unofficial sequels.
Italian censorship visa # 63706 delivered on 19-12-1973.